Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7780342 | Spring device and timepiece | Osamu Takahashi, Nobuyuki Hirose, Masatoshi Moteki | 2010-08-24 |
| 4940353 | Holder for paper-keeping bags | Katuo Osono | 1990-07-10 |
| 4442419 | Static induction apparatus | Minoru Kanoi, Yasuro Hori | 1984-04-10 |